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20
JCOMD
Description
Pin Pin
Description
RS-232_DCDD
1
2
RS-232_RXD
RS-232_TXD
3
4
RS-232_DTRD
GND
5
6
RS-232_DSRD
RS-232_RTSD
7
8
RS-232_CTSD
RS-232_RID
9
10
N/C
JDC-IN
Description
Pin
GND
1
VIN
2
JNEXCOM (MCU)
Description
Pin Pin
Description
3.3V
2
1
5V
3.3V
4
3
5V
MCU_GPIO0
6
5
GND
MCU_GPIO1
8
7
MCU_SS
MCU_GPIO2
10
9
MCU_CLK
MCU_GPIO3
12
11
MCU_MOSI
MCU_GPIO4
14
13
MCU_MISO
MCU_GPIO5
16
15
GND
MCU_GPIO6
18
17
MCU_I2C CLK
N/C
20
19
MCU_I2C DAT
Remark:
Match connector: DF13-20DS-1.25C
GPIO pin control by MCU (level 3.3V)
MCU_SS: SPI Slave Select (active low, output from master)
MCU_CLK: SPI Serial Clock (output from master)
MCU_MOSI: SPI Master Output, Slave Input (output from master)
MCU_MISO: Master Input, Slave Output (output from slave)
MCU is for NEXCOM system product design only
Summary of Contents for EBC-3A1 Series
Page 9: ...9 ...
Page 10: ...10 Chapter 1 Product Overview This chapter provides background information of EBC 3A1 ...
Page 13: ...13 1 3 Block Diagram ...
Page 24: ...24 2 4 Mechanical Drawing ...
Page 25: ...25 Chapter 3 Software User Guide This chapter details the Linux operation on EBC 3A1 ...
Page 65: ...65 Chapter 5 BSP This chapter introduces how to get board BSP board support package ...